Alberta Street — Architects' Hidden Code
Uncover the secret cipher hidden by Eisenstein and Laube in Riga's Art Nouveau facades. Decode their nationalist symbols to expose a lost manifesto for Latvian independence before it's erased forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the early 1900s, as Riga pulsed under Russian imperial rule, two visionary architects—Mikhail Eisenstein and Eižens Laube—wove a dangerous rebellion into the stone of the Art Nouveau District
Alberta Street — Architects' Hidden Code
You are a young apprentice architect in Riga, 1905, under the tutelage of Konstantīns Pēkšēns.
Your mission is to decipher the code hidden by Mikhail
Dive into early 20th-century Riga, a city bustling with Art Nouveau where every facade whispers the ambitions of a nascent Baltic identity.
The story that haunts this land
Your quest begins at Doma laukums, facing the imposing Riga Cathedral, the city's oldest church, founded in 1211. You admire its 66-meter bell tower, added in the 19th century, and imagine the melodies of its historic 1883 organ, featuring 6718 pipes. It is here, following in the footsteps of Bishop Albert of Riga, the city's founder in 1201, that the first clues are revealed. The buildings of Riga Technical University, a short walk away, though later, recall the importance of education and engineering in Riga's urban development, a prelude to the architectural boom that will soon captivate you.
The route then leads you to Alberta iela, built between 1901 and 1908 in Riga's Quiet Centre. This street, named in honor of Bishop Albert, is a jewel of Art Nouveau, with eight buildings recognized as national architectural monuments. The main architect, Mikhail Eisenstein, designed many buildings here, including Alberta iela 2, 2a, 4, 6, 8, and 13 between 1903 and 1904. These ornate facades, with their sculptures and balconies, are examples of the Jugendstil style, an integral part of the UNESCO Historic Centre of Riga. Every detail, every symbolic motif brings you closer to solving the riddles.
The exploration continues with Alberta iela 4, a residential building from 1904, designed by Mikhail Eisenstein. Its eclectic facade, considered one of the most original in Riga's Art Nouveau collection, is an architectural masterpiece. A little further, Alberta iela 8, built in 1903, was the first building Eisenstein designed in this district. Its Egyptian theme earned it the local nickname 'coffin house,' adding a touch of mystery to this Riga visit. These edifices bear witness to the creative effervescence that marked Latvia at the turn of the century.
Leaving Alberta iela, your path crosses Kaķu nams, or the Cat House, at 10/12 Meistaru iela. This Art Nouveau building from 1909, with its cat statues on the tower, is famous for an anecdote of the owner's revenge, who positioned them with their backs to the neighboring merchant's guild. Further on, the Freedom Monument (Brīvības piemineklis), inaugurated in 1935 and sculpted by Kārlis Zāle, stands 42 meters high. Dedicated to Latvian freedom, it is a powerful symbol of national identity, a striking contrast to the opulence of Art Nouveau but an essential landmark in Riga's history, visible within this 1.5 km route.
Your journey through the streets of Riga has allowed you to understand how Art Nouveau sculpted the city's soul. From Mikhail Eisenstein's creations to the influences of Konstantīns Pēkšēns, you have explored a unique architectural heritage, recognized by UNESCO in 1997. The stroll around Alberta iela and its surroundings, with sites like Alberta iela 12, which houses the Riga Art Nouveau Museum, offers a comprehensive perspective of this artistic movement in Latvia. You carry with you the secret of the architects, a code deciphered through ornate facades and the stories that shaped the vibrant Latvian capital.
A game, a guided tour and a heritage guide — all in one
You're not just buying an escape game. You're carrying a living guide — historical anecdotes, forgotten legends, key monuments, hidden architecture — unfolding as you go.
At each stop, places ordinary guides miss — secret façades, sculpted crests, alleys steeped in history.
Every riddle is rooted in a real historical fact or local legend. You leave with dozens of stories to tell.
Learn to read buildings — flamboyant Gothic, Baroque, Art Deco — like a real art historian, while having fun.
Walk through the city like a novel's character — every alley becomes a stage, every square a theatre.
A voice walks with you at every step, tells the story of each place, reads clues, adds a cinematic feel.
Keep access to the guide & game for 1 year. Come back any time, share it with friends.
« You will not leave this city the way you entered it. »
How does it work?
Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.
No app to download. Play directly from your browser. Guided step by step, at your own pace.
One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.
Point your phone at the façade: a historical character appears and speaks to you in your language. Golden letters magically write themselves on the wall to reveal the puzzle answer.
Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.
French, English, German, Spanish, Italian + 27 other languages auto-translated by AI.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
The Route
8 stages through the city
The gameplay: AR, camera, hidden clues
At each stop, open your phone camera: an augmented reality character appears on the façade and speaks your language. Hunt the clue — it materializes as golden letters on the real wall or floats in front of you. When you find it, the phone vibrates, an AR chest opens and reveals your answer fragment. 8 stops, 8 clues to find with the camera, 1 final code.
The stops on your route are a surprise. You'll discover them one by one, guided by your phone, starting from the meeting point.
How does it work with a group?
One phone = one team. Pick the number at checkout (1 to 10).
Solo, or a group sharing the screen. One team, one code.
Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.
Friends, bachelor/bachelorette, small office outing — each their own code, each plays at their own pace. Tiered pricing then €6 flat per phone from the 6th.
- ✓All codes are independent — play at the same time OR separately, each team advances at its own pace.
- ✓Leaderboard between your teams + global game leaderboard — each score appears in the public ranking.
- ✓More than 10 phones or need a personalized quest? Discover custom tours.
Ready to live this adventure?
Get my code · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Living architecture
Decrypt Art Nouveau facades like an open book on emerging Latvian identity
Creative duel
Follow the passionate rivalry between Eisenstein the ornamentalist and Laube the purist
Architectural code
Reconstruct the secret formula for creating authentically national Art Nouveau
When stone becomes Latvian
Riga Art Nouveau — laboratory of national identity
9 features nobody else has
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
AR treasure chest
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
AR narrator character
Point your phone at the façade: a knight, witch, monk, sailor, detective or ghost appears full-screen and speaks to you in your language with their dedicated ElevenLabs voice (each character has their own unique voice) — your living guide.
Magic golden letters
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
Written + audio narration
Every puzzle available as text AND voice-over: read at your own pace or listen eyes-free while walking. Great in groups and for accessibility.
360° radar + vibration
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Heritage storytelling
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
Progressive AI hints
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
AR selfie memento
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
Zero app to install
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
Frequently asked questions
Q01Do I need to download an app?
No, never. You get a link, you click, it plays in your browser. That's the point of a PWA: same as an app, without the hassle.
Q02Does it work offline?
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
Q03How long does a game take?
1 h 30 to 2 h 30 depending on your pace. The timer runs but only for the leaderboard — you play at your own tempo.
Q04What happens if I'm stuck?
You get 3 levels of hints per puzzle (increasing penalty). If truly stuck, you can skip the step (45-min penalty but you keep going).
Q05What's the age range?
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Q06What if my city isn't in the catalogue?
Pre-register or contact us — we'll email you as soon as your city is live.
Q07What is augmented reality exactly?
Point your phone at the façade: a historical character appears full-screen and speaks to you in your language. At the puzzle climax, golden letters magically write themselves on the real wall — that's your answer. After each puzzle solved, a treasure chest floats in front of you. Seeing is believing.
Avis des aventuriers
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Your turn to play
Dive into early 20th-century Riga, a city bustling with Art Nouveau where every facade whispers the ambitions of a nascent Baltic identity.
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
🔒Secure payment · Code in 5 min · Free cancellation
🪙+24 TripCoins granted with your booking
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